[compiler-rt] r295364 - [PGO] Suspend SIGKILL for PR_SET_PDEATHSIG in profile-write

Renato Golin via llvm-commits llvm-commits at lists.llvm.org
Mon Feb 20 13:41:43 PST 2017


On 20 February 2017 at 21:26, Rong Xu <xur at google.com> wrote:
> what process you are talking about? The main process finishes and write the
> profile without any issue.
> It's the child process truncates the profiles during the profile merge.
> llvm's profile is a monolithic big file and there is pretty large change of
> happening.

I didn't know the test was precisely about half-writes by the child
process. In this case "sleep" is definitely *not* an option, as
Xinliang said.

cheers,
--renato


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